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Finding the Fourth Proportional to 7,583.55, 11,357.64 and 7,320.84

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Solution

The fourth proportional to 7,583.55, 11,357.64 and 7,320.84 is: 10,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.55 : 11,357.64 = 7,320.84 : x
  2. Step 2: Convert to fraction form
    7,583.55/11,357.64 = 7,320.84/x
  3. Step 3: Cross multiply
    7,583.55x = 11,357.64 × 7,320.84
  4. Step 4: Simplify right side
    7,583.55x = 83,147,465.22
  5. Step 5: Solve for x
    x = 83,147,465.22/7,583.55
  6. Step 6: Final answer
    x = 10,964.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.